Drilldown: Patents
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Patents > Filing date:
1899
& Related to aircraft
:
0
or
1906314176
or
1908-12-31
or
Yes
& Assigned to:
None
& CPCs
:
CPC B64C11/48
or
CPC B64C2700/6295
or
CPC B64C3/385
& Number of figures:
5-6 ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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Showing below up to 1 result in range #1 to #1.